Finding the Fourth Proportional to 1,610,906.40, 2,417,234.40 and 664,372.80
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Solution
The fourth proportional to 1,610,906.40, 2,417,234.40 and 664,372.80 is: 996,919.99
Step by Step Solution
- Step 1: Write the proportion equation
1,610,906.40 : 2,417,234.40 = 664,372.80 : x - Step 2: Convert to fraction form
1,610,906.40/2,417,234.40 = 664,372.80/x - Step 3: Cross multiply
1,610,906.40x = 2,417,234.40 × 664,372.80 - Step 4: Simplify right side
1,610,906.40x = 1,605,944,786,584.32 - Step 5: Solve for x
x = 1,605,944,786,584.32/1,610,906.40 - Step 6: Final answer
x = 996,919.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.